Before you install Lock On FC, rename your old Lock On folder Lock On 1.02.
Then make a clean install of 1.02 creating a new Lock On folder, and then apply FC.
Now you have two folders
Lock On 1.02
Lock On
When you want to run 1.02 remame FC as Lock On 1.1 and Lock On 1.02 to Lock On.
One caveat: Your 1.02 version of Lock On can't be renamed back to Lock On 1.02 right after you played it, reboot and you can rename it again and then you can also change Lock On 1.1 back to being your default Lock On.
